1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 #ifndef CELL_CONTEXT_H
30 #define CELL_CONTEXT_H
33 #include "pipe/p_context.h"
34 #include "pipe/p_defines.h"
35 #include "draw/draw_vertex.h"
36 #include "draw/draw_vbuf.h"
37 /*#include "cell_winsys.h"*/
38 #include "cell/common.h"
39 #include "rtasm/rtasm_ppc_spe.h"
40 #include "tgsi/tgsi_scan.h"
41 #include "util/u_keymap.h"
44 struct cell_vbuf_render;
48 * Cell vertex shader state, subclass of pipe_shader_state.
50 struct cell_vertex_shader_state
52 struct pipe_shader_state shader;
53 struct tgsi_shader_info info;
59 * Cell fragment shader state, subclass of pipe_shader_state.
61 struct cell_fragment_shader_state
63 struct pipe_shader_state shader;
64 struct tgsi_shader_info info;
65 struct spe_function code;
71 * Key for mapping per-fragment state to cached SPU machine code.
72 * keymap(cell_fragment_ops_key) => cell_command_fragment_ops
74 struct cell_fragment_ops_key
76 struct pipe_blend_state blend;
77 struct pipe_blend_color blend_color;
78 struct pipe_depth_stencil_alpha_state dsa;
79 enum pipe_format color_format;
80 enum pipe_format zs_format;
84 struct cell_buffer_node;
87 * Fenced buffer list. List of buffers which can be unreferenced after
88 * the fence has been executed/signalled.
90 struct cell_buffer_list
92 PIPE_ALIGN_VAR(16) struct cell_fence fence;
93 struct cell_buffer_node *head;
96 struct cell_velems_state
99 struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
103 * Per-context state, subclass of pipe_context.
107 struct pipe_context pipe;
109 struct cell_winsys *winsys;
111 const struct pipe_blend_state *blend;
112 const struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
114 const struct pipe_depth_stencil_alpha_state *depth_stencil;
115 const struct pipe_rasterizer_state *rasterizer;
116 const struct cell_vertex_shader_state *vs;
117 const struct cell_fragment_shader_state *fs;
118 const struct cell_velems_state *velems;
120 struct spe_function logic_op;
122 struct pipe_blend_color blend_color;
123 struct pipe_stencil_ref stencil_ref;
124 struct pipe_clip_state clip;
125 struct pipe_resource *constants[2];
126 struct pipe_framebuffer_state framebuffer;
127 struct pipe_poly_stipple poly_stipple;
128 struct pipe_scissor_state scissor;
129 struct cell_resource *texture[PIPE_MAX_SAMPLERS];
130 struct pipe_sampler_view *fragment_sampler_views[PIPE_MAX_SAMPLERS];
132 struct pipe_viewport_state viewport;
133 struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
134 uint num_vertex_buffers;
135 struct pipe_index_buffer index_buffer;
137 ubyte *cbuf_map[PIPE_MAX_COLOR_BUFS];
141 uint dirty_textures; /* bitmask of texture units */
142 uint dirty_samplers; /* bitmask of sampler units */
144 /** Cache of code generated for per-fragment ops */
145 struct keymap *fragment_ops_cache;
147 /** The primitive drawing context */
148 struct draw_context *draw;
149 struct draw_stage *render_stage;
151 /** For post-transformed vertex buffering: */
152 struct cell_vbuf_render *vbuf_render;
153 struct draw_stage *vbuf;
155 struct vertex_info vertex_info;
157 /** Mapped constant buffers */
158 const void *mapped_constants[PIPE_SHADER_TYPES];
160 PIPE_ALIGN_VAR(16) struct cell_spu_function_info spu_functions;
162 uint num_cells, num_spus;
164 /** Buffers for command batches, vertex/index data */
165 uint buffer_size[CELL_NUM_BUFFERS];
166 PIPE_ALIGN_VAR(16) ubyte buffer[CELL_NUM_BUFFERS][CELL_BUFFER_SIZE];
168 int cur_batch; /**< which buffer is being filled w/ commands */
170 /** [4] to ensure 16-byte alignment for each status word */
171 PIPE_ALIGN_VAR(16) uint buffer_status[CELL_MAX_SPUS][CELL_NUM_BUFFERS][4];
174 /** Associated with each command/batch buffer is a list of pipe_buffers
175 * that are fenced. When the last command in a buffer is executed, the
176 * fence will be signalled, indicating that any pipe_buffers preceeding
177 * that fence can be unreferenced (and probably freed).
179 struct cell_buffer_list fenced_buffers[CELL_NUM_BUFFERS];
182 struct spe_function attrib_fetch;
183 unsigned attrib_fetch_offsets[PIPE_MAX_ATTRIBS];
185 unsigned debug_flags;
191 static INLINE struct cell_context *
192 cell_context(struct pipe_context *pipe)
194 return (struct cell_context *) pipe;
198 struct pipe_context *
199 cell_create_context(struct pipe_screen *screen,
203 cell_vertex_shader_queue_flush(struct draw_context *draw);
206 /* XXX find a better home for this */
207 extern void cell_update_vertex_fetch(struct draw_context *draw);
210 #endif /* CELL_CONTEXT_H */